/* SignMe pages (landing, FAQ, privacy, terms). Brand from the app:
   indigo #5B5CF6 → violet #A23BEA, ink #14123A, Plus Jakarta Sans. */
:root {
  --indigo: #5b5cf6; --violet: #a23bea; --amber: #ffb547;
  --bg: #f7f7fb; --surface: #ffffff; --ink: #14123a; --sub: #575a73;
  --line: #e6e5f0; --tint: #efeeff; --link: #4b4ce0;
  --font: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111019; --surface: #1b1a26; --ink: #eeedf8; --sub: #a9a8bd; --line: #2a2938; --tint: #232246; --link: #a9aaff; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-underline-offset: 3px; }
.wrap { width: min(860px, 100% - 32px); margin-inline: auto; }

.sm-nav { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.sm-nav__inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; }
.sm-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 800; font-size: 20px; }
.sm-brand img { border-radius: 10px; }
.sm-nav__links { display: flex; gap: 18px; flex-wrap: wrap; }
.sm-nav__links a { color: var(--sub); text-decoration: none; font-weight: 600; font-size: 15px; }
.sm-nav__links a[aria-current="page"], .sm-nav__links a:hover { color: var(--ink); }

.sm-hero { background: linear-gradient(135deg, var(--indigo), var(--violet)); color: #fff; padding: 56px 0 48px; }
.sm-hero h1 { margin: 0 0 8px; font-size: clamp(30px, 6vw, 46px); line-height: 1.1; letter-spacing: -0.02em; font-weight: 800; }
.sm-hero p { margin: 0; opacity: .9; font-size: 18px; }
.sm-kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; opacity: .85; margin-bottom: 10px; }
.sm-hero--home { padding: 72px 0 64px; }
.sm-hero__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center; }
.sm-hero__icon { justify-self: center; width: min(220px, 60vw); border-radius: 48px; box-shadow: 0 30px 60px rgba(20,18,58,.35); }
.sm-cta { display: inline-flex; align-items: center; gap: 10px; margin-top: 26px; background: #fff; color: var(--ink); text-decoration: none; font-weight: 800; padding: 14px 22px; border-radius: 16px; }
.sm-cta small { font-weight: 600; color: var(--sub); }
@media (max-width: 720px) { .sm-hero__grid { grid-template-columns: 1fr; } .sm-hero__icon { width: 140px; border-radius: 32px; } }

.sm-body { padding: 36px 0 56px; }
.sm-card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 22px 24px; margin: 0 0 24px; }
.sm-card ul { margin: 8px 0 0; padding-left: 20px; }
.sm-body h2 { font-size: 24px; letter-spacing: -0.01em; margin: 36px 0 8px; }
.sm-body h3 { font-size: 18px; margin: 22px 0 4px; }
.sm-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 18px 0 8px; }
.sm-feature { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.sm-feature b { display: block; margin-bottom: 4px; }
.sm-feature span { color: var(--sub); font-size: 15px; }
.sm-faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 4px 18px; margin: 0 0 10px; }
.sm-faq summary { cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none; }
.sm-faq summary::-webkit-details-marker { display: none; }
.sm-faq summary::after { content: "+"; float: right; color: var(--indigo); font-weight: 800; }
.sm-faq details[open] summary::after { content: "–"; }
.sm-faq details p { margin: 0 0 14px; color: var(--sub); }
.sm-updated { color: var(--sub); font-size: 15px; }

.sm-footer { border-top: 1px solid var(--line); padding: 24px 0 36px; color: var(--sub); font-size: 14px; }
.sm-footer__inner { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: space-between; }
.sm-footer a { color: var(--sub); }